Sign up


Match Document Document Title
7031855 Current sense resistor circuit with averaging Kelvin sense features  
A current sense resistor circuit using Kelvin connection sense features provides an average voltage across net sense resistance and average voltage across net reference resistance to be available...
7030627 Wideband complex radio frequency impedance measurement  
Impedance of an unknown load is determined by applying a reference signal from a signal generator through a multi-position switch to the unknown load, a first known calibration impedance, and...
7020571 Automated test method  
An automated test method for performing a hi-pot test procedure for an electrical device through the use of a test program installed in a factory information system (FIS) and a test instrument...
7015597 Power regulator for power inverter  
A power inverter includes a regulator circuit that controls real and reactive power output by the inverter. The regulator measures real and reactive output power by calculating x-phasor components...
7016793 Method and apparatus for anti-islanding protection of distributed generations  
An apparatus for anti-islanding protection of a distributed generation with respect to a feeder connected to an electrical grid is disclosed. The apparatus includes a sensor adapted to generate a...
7016794 Floor plan development electromigration and voltage drop analysis tool  
A method for analyzing electromigration and voltage drop effects in wire segments forming a power-bus grid of an integrated circuit. A floor plan design is created by mapping wire segments to...
7010440 Method and a measuring circuit for determining temperature from a PN junction temperature sensor, and a temperature sensing circuit comprising the measuring circuit and a PN junction  
A switched current temperature sensing circuit (1) comprises a measuring transistor (Q1) which is located remotely of a measuring circuit (5) which applies three excitation currents (I1,I2,I3) of...
7010439 Digital circuit for measuring the power of a signal  
The invention relates to a digital circuit making it possible to measure the effective voltage of a signal, comprising at least one module exhibiting a sampler stage exhibiting an output generating...
7006935 Synchronous vector measuring device  
A synchronous vector measuring device can measure an absolute phase angle of a synchronous vector excellent in continuous numerical stability at high speed and with high accuracy in a noisy...
6996483 System and method for locating a disturbance in a power system based upon disturbance power and energy  
A disturbance locating system includes a voltage transducer, a current transducer and disturbance energy determination circuitry. The system may also include disturbance power determination...
6996482 Device and method for determining the position of a rotor  
The invention relates to a device and a method for determining an electrical starting rotor angle of an electromotor. According to the invention, the electromotor (10) is subjected to an...
6988043 External transformer correction in an electricity meter  
A method compensates for measurement errors of an external transformer coupled between an electricity meter and one or more power lines. The method includes a first step of obtaining at least one...
6985822 Methods and systems for proximity system target material variation effects reduction  
A method of determining a gap defined between an eddy current proximity transducer and a target is provided. The method includes populating a data structure with data points that are relative to a...
6983215 RF metrology characterization for field installation and serviceability for the plasma processing industry  
A system for field substitution of components of a RF metrology system. The system includes a sensor/cable combination and an analysis unit. Parameters of the RF metrology system are determined...
6980912 Method and apparatus for use with a portable power source  
An apparatus (10) having a portable power source (11) can make use of a plurality of differing charge depleted threshold values (and, in a preferred embodiment, corresponding visual...
6970794 Semiconductor having reduced configuration pins and method thereof  
A configurable semiconductor device having a plurality of predetermined configurations comprises a measurement circuit to measure an electrical characteristic of at least one external impedance and...
6965837 Method and arrangement for detecting load mismatch, and a radio device utilizing the same  
A method and an arrangement for detecting impedance mismatch between an output of a radio frequency amplifier (200, 901, 911, 921, 1101) which has an amplifying component (201, 301, Q46, 701, 801)...
6965838 Apparatus having in-circuit FET on-resistance characterization  
A computing system includes a semiconductor which sources current to load components within the system, a controllable load coupled to the semiconductor and having an on-state in which a...
6961666 System for automatic collection and transport of readings from water, gas and electricity meters  
A system for automatic collection and transport of readings from water, gas and electricity meters wherein at least one receiver element and one element to transmit (1) define an ad-hoc wireless...
6959249 Load following algorithm for a fuel cell based system  
A fuel cell generation system employing a load following algorithm that provides the desired output power from the fuel cell on demand. The system includes a draw current sensor that measures the...
6954704 Digital protection and control device  
A digital protection and control device is so configured that at least parts of a digital data merging unit coupled to sensor units by a transmission medium, a protection and control unit, a...
6954706 Method for measuring integrated circuit processor power demand and associated system  
A system and method for measuring integrated circuit processor power demand comprises calibrating one or more voltage controlled oscillators for use as ammeters, calibrating a calibration current...
6950770 Method and apparatus for calibration of a delay element  
Various methods, systems and apparatuses having an integrated circuit that contains a calibration circuit having a series of delay elements to receive a reference signal. The reference signal...
6947857 Optical sequence time domain reflectometry during data transmission  
A method and system for performing sequence time domain reflectometry over a communication channel to determine the location of line anomalies in the communication channel is disclosed. In one...
6947853 Apparatus and method for inspecting electrical continuity of circuit board, jig for use therein, and recording medium thereon  
The present invention provides an apparatus and method for inspecting electrical continuity of a circuit board, capable of decreasing the impedance in a current path as an inspection object to...
6947856 Method and device for detecting a signal  
Method for detecting a signal, particularly a voltage, for example a battery voltage, having the following steps: measuring the signal and/or the battery voltage at a predefined sampling...
6944555 Communications architecture for intelligent electronic devices  
A power management architecture for an electrical power distribution system, or portion thereof, is disclosed. The architecture includes multiple intelligent electronic devices (“IED's”) dis...
6944554 Method for detecting fault on transmission lines by using harmonics and state transition diagram  
Disclosed is a method for detecting a fault by using harmonics and a state transition diagram. When the fault occurs on transmission lines, the fault is detected by using harmonics and the state...
6944559 Channel isolation by switched grounds  
A signal acquisition instrument, such as an oscilloscope, having an input stage that is referenced to a user's ground is disclosed. Information gathered by the input stage is stored in a storage...
6944552 System and method for detecting power deficiencies in a computer component  
One embodiment of the invention is a method for analyzing power in a component comprising determining a plurality of current densities, wherein each current density is associated with one portion...
6940293 Modeling miller effect in static timing analysis  
A method is contemplated. According to the method, capacitances in a first resistance/capacitance (RC) extraction corresponding to a circuit are modified. Each capacitance is modified to estimate...
6937948 Flash memory program and erase operations  
A flash memory device includes a charge pump having a capacity that is preset to a particular value. The flash memory device includes a measuring circuit to measure the actual capacity of the...
6931333 Electrical power sensing  
The RF power passing through a given position in a monolithic microwave integrated circuit (MMIC) is determined using the Seebeck effect. The MMIC includes at least certain components of a voltage...
6931334 Apparatus for and method of calculating electromagnetic field intensity, and computer program product  
An electromagnetic field intensity calculation apparatus calculates a virtual current vector from a voltage vector and a mutual immittance matrix of an object including a wave source where a wave...
6928373 Flexible vector network analyzer measurements and calibrations  
Methods, systems and computer program products for efficiently characterizing devices under test (DUTs) using a vector network analyzer (VNA) are provided. A N-port DUT can be divided as...
6925429 Electric wiring simulation device and recording medium recording simulation program for electric wiring simulation device  
An electric wiring simulation device 1 of the present invention includes an input device 2; a display 5; a characteristics information data base 4 storing parts information on parts and wirings,...
6909977 Method for diagnosing degradation in aircraft wiring  
Wiring in new and older aircraft use bundled insulated conductors that are subject to deterioration overtime that can result in on-board fires, loss of in-flight control and eventual crashes of the...
6909978 Signal pre-processing for estimating attributes of a transmission line  
In the process of estimating attributes of a transmission line from reflectometry measurements, small yet important reflections may be drowned in the immediate reflected signal owing to the...
6907363 Automatic insulation resistance testing apparatus  
An apparatus and method for automatic measurement of insulation resistances of a multi-conductor cable. In one embodiment of the invention, the apparatus comprises a power supply source, an input...
6907364 Methods and apparatus for deriving thermal flux data for processing a workpiece  
Presented are methods, systems, and apparatus for deriving heat flux information and using heat flux information for a workpiece used in temperature sensitive processes.
6904372 Method of the identification of weak and/or strong nodes of an electric power system  
A method is disclosed for the identification of weak and/or strong nodes of an electric power transmission system. Electric parameters characterizing nodes and branches of an electric power...
6904374 Methods and systems for predicting electromagnetic scattering  
Methods and systems for predicting electromagnetic scattering are disclosed. In one embodiment, a method includes covering at least a portion of an analytical model of a target with computational...
6901343 MULTILAYER BOARD IN WHICH WIRING OF SIGNAL LINE THAT REQUIRES TAMPER-RESISTANCE IS COVERED BY COMPONENT OR FOIL, DESIGN APPARATUS, METHOD, AND PROGRAM FOR THE MULTILAYER BOARD, AND MEDIUM RECORDING THE PROGRAM  
A signal line, being in a six-layer board and connecting terminal 102 of component 101 with terminal 115 of component 114, requires tamper-resistance. The signal line is composed of foil 103 on an...
6892148 Circuit and method for measurement of battery capacity fade  
The remaining run-time (t_rem) of a battery is determined independently of the condition of the battery and the amount of load on the battery by obtaining the value of a present total zero-current...
6892151 Methods and apparatus for determining whether electronic devices are communicatively compatible  
A computer-implemented method of quickly determining whether two or more electronic devices are communicatively compatible is described. The method includes reading a plurality of input parameter...
6892147 Information handling system including a power management apparatus capable of independently switching between a primary and secondary battery  
An information handling system includes a power management apparatus which is capable of selectively coupling to primary and secondary batteries that provide portable and backup power to the...
6879918 Method and apparatus for measuring the transmission loss of a cable  
The invention is directed to techniques and mechanisms for measuring transmission loss of a cable comprising the steps of disabling an antenna connected to a second end of the cable, feeding an...
6876935 Method for correcting measurement error, method of determining quality of electronic component, and device for measuring characteristic of electronic component  
The impedance of a correction-data obtaining sample is measured by a standard measuring device and an actual measuring device so as to obtain an interrelated expression of the measurement results...
6873922 Transient response analysis program of capacitor, recording medium, method of analysis, and simulator  
A transient response analysis program of a capacitor is used for making a computer execute a transient response analysis of the capacitor having impedance in a positive frequency region. This...
6868350 Method and apparatus for the detection of the response of a sensing device  
A method for operating a sensing device. The method comprising: a sensor film having an electrical resistance that is adapted to change in response to the presence of a predetermined condition;...